Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) What:		/sys/kernel/dma_heap/total_pools_kb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) Date:		Feb 2021
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) KernelVersion:	5.10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Contact:	Hridya Valsaraju <hridya@google.com>,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) Description:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) 		The total_pools_kb file is read-only and specifies how much
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) 		memory in Kb is allocated to DMA-BUF heap pools.